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<a name="GstDeviceProviderFactory"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GstDeviceProviderFactory.top_of_page"></a>GstDeviceProviderFactory</span></h2>
<p>GstDeviceProviderFactory — Create GstDeviceProviders from a factory</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="returnvalue">GstDeviceProviderFactory</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-find" title="gst_device_provider_factory_find ()">gst_device_provider_factory_find</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get" title="gst_device_provider_factory_get ()">gst_device_provider_factory_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-by-name" title="gst_device_provider_factory_get_by_name ()">gst_device_provider_factory_get_by_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-device-provider-type" title="gst_device_provider_factory_get_device_provider_type ()">gst_device_provider_factory_get_device_provider_type</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-metadata" title="gst_device_provider_factory_get_metadata ()">gst_device_provider_factory_get_metadata</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> **
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-metadata-keys" title="gst_device_provider_factory_get_metadata_keys ()">gst_device_provider_factory_get_metadata_keys</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-has-classes" title="gst_device_provider_factory_has_classes ()">gst_device_provider_factory_has_classes</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-has-classesv" title="gst_device_provider_factory_has_classesv ()">gst_device_provider_factory_has_classesv</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-list-get-device-providers" title="gst_device_provider_factory_list_get_device_providers ()">gst_device_provider_factory_list_get_device_providers</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactory-struct" title="GstDeviceProviderFactory">GstDeviceProviderFactory</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactoryClass" title="GstDeviceProviderFactoryClass">GstDeviceProviderFactoryClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a class="link" href="GstObject.html" title="GstObject">GstObject</a>
            <span class="lineart">╰──</span> <a class="link" href="GstPluginFeature.html" title="GstPluginfeature">GstPluginFeature</a>
                <span class="lineart">╰──</span> GstDeviceProviderFactory
</pre>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/gst.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.description"></a><h2>Description</h2>
<p><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> is used to create instances of device providers. A
GstDeviceProviderfactory can be added to a <a class="link" href="GstPlugin.html" title="GstPlugin"><span class="type">GstPlugin</span></a> as it is also a
<a class="link" href="GstPluginFeature.html" title="GstPluginfeature"><span class="type">GstPluginFeature</span></a>.</p>
<p>Use the <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-find" title="gst_device_provider_factory_find ()"><code class="function">gst_device_provider_factory_find()</code></a> and
<a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get" title="gst_device_provider_factory_get ()"><code class="function">gst_device_provider_factory_get()</code></a> functions to create device
provider instances or use <a class="link" href="GstDeviceProviderFactory.html#gst-device-provider-factory-get-by-name" title="gst_device_provider_factory_get_by_name ()"><code class="function">gst_device_provider_factory_get_by_name()</code></a> as a
convenient shortcut.</p>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-device-provider-factory-find"></a><h3>gst_device_provider_factory_find ()</h3>
<pre class="programlisting"><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="returnvalue">GstDeviceProviderFactory</span></a> *
gst_device_provider_factory_find (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre>
<p>Search for an device provider factory of the given name. Refs the returned
device provider factory; caller is responsible for unreffing.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-find.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>name of factory to find</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-find.returns"></a><h4>Returns</h4>
<p><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> if
found, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> otherwise. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-get"></a><h3>gst_device_provider_factory_get ()</h3>
<pre class="programlisting"><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> *
gst_device_provider_factory_get (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre>
<p>Returns the device provider of the type defined by the given device
providerfactory.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-get.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>factory to instantiate</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-get.returns"></a><h4>Returns</h4>
<p>the <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
if the device provider couldn't be created. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-get-by-name"></a><h3>gst_device_provider_factory_get_by_name ()</h3>
<pre class="programlisting"><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="returnvalue">GstDeviceProvider</span></a> *
gst_device_provider_factory_get_by_name
                               (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *factoryname</code></em>);</pre>
<p>Returns the device provider of the type defined by the given device
provider factory.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-get-by-name.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>factoryname</p></td>
<td class="parameter_description"><p>a named factory to instantiate</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-get-by-name.returns"></a><h4>Returns</h4>
<p>a <a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a> or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
if unable to create device provider. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-get-device-provider-type"></a><h3>gst_device_provider_factory_get_device_provider_type ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a>
gst_device_provider_factory_get_device_provider_type
                               (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre>
<p>Get the <a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> for device providers managed by this factory. The type can
only be retrieved if the device provider factory is loaded, which can be
assured with <a class="link" href="GstPluginFeature.html#gst-plugin-feature-load" title="gst_plugin_feature_load ()"><code class="function">gst_plugin_feature_load()</code></a>.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-get-device-provider-type.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>factory to get managed <a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> from</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-get-device-provider-type.returns"></a><h4>Returns</h4>
<p> the <a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> for device providers managed by this factory.</p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-get-metadata"></a><h3>gst_device_provider_factory_get_metadata ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
gst_device_provider_factory_get_metadata
                               (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre>
<p>Get the metadata on <em class="parameter"><code>factory</code></em>
 with <em class="parameter"><code>key</code></em>
.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-get-metadata.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>a key</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-get-metadata.returns"></a><h4>Returns</h4>
<p>the metadata with <em class="parameter"><code>key</code></em>
on <em class="parameter"><code>factory</code></em>
or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
when there was no metadata with the given <em class="parameter"><code>key</code></em>
. </p>
<p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-get-metadata-keys"></a><h3>gst_device_provider_factory_get_metadata_keys ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> **
gst_device_provider_factory_get_metadata_keys
                               (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>);</pre>
<p>Get the available keys for the metadata on <em class="parameter"><code>factory</code></em>
.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-get-metadata-keys.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-get-metadata-keys.returns"></a><h4>Returns</h4>
<p>a <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated array of key strings, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when there is no
metadata. Free with <a href="/usr/share/gtk-doc/html/glib/glib-String-Utility-Functions.html#g-strfreev"><code class="function">g_strfreev()</code></a> when no longer needed. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-has-classes"></a><h3>gst_device_provider_factory_has_classes ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_device_provider_factory_has_classes
                               (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>,
                                <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *classes</code></em>);</pre>
<p>Check if <em class="parameter"><code>factory</code></em>
 matches all of the given <em class="parameter"><code>classes</code></em>
</p>
<div class="refsect3">
<a name="gst-device-provider-factory-has-classes.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>classes</p></td>
<td class="parameter_description"><p>a "/" separate list of classes to match, only match
if all classes are matched. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-has-classes.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>factory</code></em>
matches or if <em class="parameter"><code>classes</code></em>
is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-has-classesv"></a><h3>gst_device_provider_factory_has_classesv ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_device_provider_factory_has_classesv
                               (<em class="parameter"><code><a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> *factory</code></em>,
                                <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **classes</code></em>);</pre>
<p>Check if <em class="parameter"><code>factory</code></em>
 matches all of the given classes</p>
<div class="refsect3">
<a name="gst-device-provider-factory-has-classesv.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>factory</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>classes</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> terminated array
of classes to match, only match if all classes are matched. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-has-classesv.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>factory</code></em>
matches.</p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gst-device-provider-factory-list-get-device-providers"></a><h3>gst_device_provider_factory_list_get_device_providers ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
gst_device_provider_factory_list_get_device_providers
                               (<em class="parameter"><code><a class="link" href="GstPluginFeature.html#GstRank" title="enum GstRank"><span class="type">GstRank</span></a> minrank</code></em>);</pre>
<p>Get a list of factories with a rank greater or equal to <em class="parameter"><code>minrank</code></em>
.
The list of factories is returned by decreasing rank.</p>
<div class="refsect3">
<a name="gst-device-provider-factory-list-get-device-providers.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>minrank</p></td>
<td class="parameter_description"><p>Minimum rank</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-device-provider-factory-list-get-device-providers.returns"></a><h4>Returns</h4>
<p>a <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> device providers. Use
<a class="link" href="GstPluginFeature.html#gst-plugin-feature-list-free" title="gst_plugin_feature_list_free ()"><code class="function">gst_plugin_feature_list_free()</code></a> after usage. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> Gst.DeviceProviderFactory]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstDeviceProviderFactory-struct"></a><h3>GstDeviceProviderFactory</h3>
<pre class="programlisting">typedef struct _GstDeviceProviderFactory GstDeviceProviderFactory;</pre>
<p>The opaque <a class="link" href="GstDeviceProviderFactory.html" title="GstDeviceProviderFactory"><span class="type">GstDeviceProviderFactory</span></a> data structure.</p>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GstDeviceProviderFactoryClass"></a><h3>GstDeviceProviderFactoryClass</h3>
<pre class="programlisting">typedef struct _GstDeviceProviderFactoryClass GstDeviceProviderFactoryClass;</pre>
<p>The opaque <a class="link" href="GstDeviceProviderFactory.html#GstDeviceProviderFactoryClass" title="GstDeviceProviderFactoryClass"><span class="type">GstDeviceProviderFactoryClass</span></a> data structure.</p>
<p class="since">Since: <a class="link" href="ix08.html#api-index-1.4">1.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="GstDeviceProviderFactory.see-also"></a><h2>See Also</h2>
<p><a class="link" href="gstreamer-GstDeviceProvider.html#GstDeviceProvider" title="struct GstDeviceProvider"><span class="type">GstDeviceProvider</span></a>, <a class="link" href="GstPlugin.html" title="GstPlugin"><span class="type">GstPlugin</span></a>, <a class="link" href="GstPluginFeature.html" title="GstPluginfeature"><span class="type">GstPluginFeature</span></a>, <a class="link" href="GstPadTemplate.html" title="GstPadTemplate"><span class="type">GstPadTemplate</span></a>.</p>
</div>
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